Edwin K. Simpson

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Rock Hill, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid electro-hydraulic power device
- Patent number 8,801,407
- Issue date Aug 12, 2014
- Harris Waste Management Group, Inc.
- Edwin K. Simpson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
HYBRID ELECTRO-HYDRAULIC POWER DEVICE
- Publication number 20110206537
- Publication date Aug 25, 2011
- Harris Waste Management Group, Inc.
- Edwin K. Simpson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING